After some debate, we settled on these three upcoming tablets: the BlackBerry PlayBook, the Dell Streak 7, and the Motorola Xoom. For some perspective with a familiar face, we threw in the Apple iPad for reference. Even though the hardware is nearly a year old, it has butchered competition selling over 7.33 million units in just Q4 of 2010 making it the best-selling tablet on the market. Without any further ado, here it is: